/// <summary>
/// Constructs a well formed Document Object Model for a group of executions on a block order.
/// </summary>
/// <param name="blockOrderId">The block order for which we want a execution document.</param>
public ExecutionDocument(int blockOrderId, ExecutionSet executionSet)
{
// Create the root element for the document.
XmlElement rootElement = this.CreateElement("Execution");
this.AppendChild(rootElement);
// This list is used to sort the executions.
ArrayList executionsList = new ArrayList();
// Start with the block order. All the executions flow from this record.
ClientMarketData.BlockOrderRow blockOrderRow = ClientMarketData.BlockOrder.FindByBlockOrderId(blockOrderId);
if (blockOrderRow != null)
{
// This element holds all the information related to the block order.
XmlElement blockOrderElement = this.CreateBlockOrderElement(blockOrderRow);
rootElement.AppendChild(blockOrderElement);
// We are going to run through all the executions posted against the block order and construct a
// hierarchical structure of brokers. Since they aren't arranged that way in the data model, we need to
// scan the whole table looking for distinct brokers.
foreach (ClientMarketData.ExecutionRow executionRow in blockOrderRow.GetExecutionRows())
{
// Sort the list of executions by the created time.
int index;
for (index = 0; index < executionsList.Count; index++)
{
if (((ClientMarketData.ExecutionRow)executionsList[index]).CreatedTime > executionRow.CreatedTime)
{
executionsList.Insert(index, executionRow);
break;
}
}
// If the row wasn't sorted into the array above, it's added to the end of the list here.
if (index == executionsList.Count)
{
executionsList.Add(executionRow);
}
}
// Add all of the executions as children of the broker.
foreach (ClientMarketData.ExecutionRow executionRow in executionsList)
{
blockOrderElement.AppendChild(this.CreateGlobalExecutionElement(executionRow));
}
// Add the local executions.
ExecutionSet.BlockOrderRow localBlockOrder = executionSet.BlockOrder.FindByBlockOrderId(blockOrderId);
if (localBlockOrder != null)
{
foreach (ExecutionSet.ExecutionRow executionRow in localBlockOrder.GetExecutionRows())
{
if (executionRow.RowState == DataRowState.Detached)
{
Console.WriteLine("{0} is Detached", executionRow["ExecutionId", DataRowVersion.Original]);
}
blockOrderElement.AppendChild(this.CreateLocalExecutionElement(executionRow));
}
}
}
// The placeholder is a queue for the document manager to create a new execution.
this.DocumentElement.AppendChild(this.CreatePlaceholderElement());
}
public static void Distribute(int blockOrderId)
{
// This batch will be filled in with the allocations.
RemoteBatch remoteBatch = null;
try
{
// Lock all the tables that we'll reference while building a blotter document.
Debug.Assert(!ClientMarketData.AreLocksHeld);
ClientMarketData.AllocationLock.AcquireReaderLock(CommonTimeout.LockWait);
ClientMarketData.BlockOrderLock.AcquireReaderLock(CommonTimeout.LockWait);
ClientMarketData.ExecutionLock.AcquireReaderLock(CommonTimeout.LockWait);
ClientMarketData.OrderLock.AcquireReaderLock(CommonTimeout.LockWait);
// Find the block order that is to be allocated.
ClientMarketData.BlockOrderRow blockOrderRow = ClientMarketData.BlockOrder.FindByBlockOrderId(blockOrderId);
if (blockOrderRow == null)
{
throw new Exception(String.Format("Block Id {0} doesn't exist", blockOrderId));
}
// Aggregate the total quantity ordered. This becomes the demoninator for the pro-rata calculation.
decimal orderedQuantity = 0.0M;
foreach (ClientMarketData.OrderRow orderRow in blockOrderRow.GetOrderRows())
{
orderedQuantity += orderRow.Quantity;
}
// These values will total up all the executions posted against this block order. The pro-rata
// allocation will divide all the executions up against the ratio of the quantity ordered against the
// total quantity ordered. The price is an average price of all the executions.
decimal executedQuantity = 0.0M;
decimal executedPrice = 0.0M;
decimal executedCommission = 0.0M;
decimal executedAccruedInterest = 0.0M;
decimal executedUserFee0 = 0.0M;
decimal executedUserFee1 = 0.0M;
decimal executedUserFee2 = 0.0M;
decimal executedUserFee3 = 0.0M;
DateTime tradeDate = DateTime.MinValue;
DateTime settlementDate = DateTime.MinValue;
// Total up all the executions against this block.
foreach (ClientMarketData.ExecutionRow executionRow in blockOrderRow.GetExecutionRows())
{
executedQuantity += executionRow.Quantity;
executedPrice += executionRow.Price * executionRow.Quantity;
executedCommission += executionRow.Commission;
executedAccruedInterest += executionRow.AccruedInterest;
executedUserFee0 += executionRow.UserFee0;
executedUserFee1 += executionRow.UserFee1;
executedUserFee2 += executionRow.UserFee2;
executedUserFee3 += executionRow.UserFee3;
tradeDate = executionRow.TradeDate;
settlementDate = executionRow.SettlementDate;
}
// Calculate the average price.
decimal averagePrice = Math.Round((executedQuantity > 0.0M) ? executedPrice / executedQuantity : 0.0M, 2);
// These values are used to keep track of how much has been allocated. Because of the nature of a
// pro-rata allocation, there will be an odd remainder after the allocation is finished. We will
// arbitrarily pick the last order in the block order and give it the remainer of the order. To do that,
// totals have to be kept of all the allocations that have been created before the last one.
decimal allocatedQuantity = 0.0M;
decimal allocatedCommission = 0.0M;
decimal allocatedAccruedInterest = 0.0M;
decimal allocatedUserFee0 = 0.0M;
decimal allocatedUserFee1 = 0.0M;
decimal allocatedUserFee2 = 0.0M;
decimal allocatedUserFee3 = 0.0M;
// Put all the allocations in a single batch.
remoteBatch = new RemoteBatch();
RemoteAssembly remoteAssembly = remoteBatch.Assemblies.Add("Service.Core");
RemoteType remoteType = remoteAssembly.Types.Add("Shadows.WebService.Core.Allocation");
// Allocate the order back to the original accounts. Because odd values can be generated when dividing by the
// pro-rata value, the last order will get the remaining portions of the execution.
int orderCounter = blockOrderRow.GetOrderRows().Length;
foreach (ClientMarketData.OrderRow orderRow in blockOrderRow.GetOrderRows())
{
decimal quantity;
decimal commission;
decimal accruedInterest;
decimal userFee0;
decimal userFee1;
decimal userFee2;
decimal userFee3;
// The last account in the order is arbitrarily given the remaining parts of the execution.
if (--orderCounter == 0)
{
quantity = executedQuantity - allocatedQuantity;
commission = executedCommission - allocatedCommission;
accruedInterest = executedAccruedInterest = allocatedAccruedInterest;
userFee0 = executedUserFee0 - allocatedUserFee0;
userFee1 = executedUserFee1 - allocatedUserFee1;
userFee2 = executedUserFee2 - allocatedUserFee2;
userFee3 = executedUserFee3 - allocatedUserFee3;
}
else
{
// Calcuation the proportion of the trade destined for the current order. The proportion is
// based on the amount of the original order against the block total.
quantity = Math.Round(executedQuantity * orderRow.Quantity / orderedQuantity, 0);
commission = Math.Round(executedCommission * orderRow.Quantity / orderedQuantity, 2);
accruedInterest = Math.Round(executedAccruedInterest * orderRow.Quantity / orderedQuantity, 2);
userFee0 = Math.Round(executedUserFee0 * orderRow.Quantity / orderedQuantity, 2);
userFee1 = Math.Round(executedUserFee1 * orderRow.Quantity / orderedQuantity, 2);
userFee2 = Math.Round(executedUserFee2 * orderRow.Quantity / orderedQuantity, 2);
userFee3 = Math.Round(executedUserFee3 * orderRow.Quantity / orderedQuantity, 2);
}
// Keep a running total of the amount allocated so far. This will be used to calculate the last order's
// portion when the loop has finished.
allocatedQuantity += quantity;
allocatedCommission += commission;
allocatedAccruedInterest += accruedInterest;
allocatedUserFee0 += userFee0;
allocatedUserFee1 += userFee1;
allocatedUserFee2 += userFee2;
allocatedUserFee3 += userFee3;
// If the allocation has a positive quantity to register, then post it to the server.
if (quantity > 0.0M)
{
// Call the web service to add the new execution.
RemoteMethod remoteMethod = remoteType.Methods.Add("Insert");
remoteMethod.Parameters.Add("blockOrderId", orderRow.BlockOrderId);
remoteMethod.Parameters.Add("accountId", orderRow.AccountId);
remoteMethod.Parameters.Add("securityId", orderRow.SecurityId);
remoteMethod.Parameters.Add("settlementId", orderRow.SettlementId);
remoteMethod.Parameters.Add("positionTypeCode", orderRow.PositionTypeCode);
remoteMethod.Parameters.Add("transactionTypeCode", orderRow.TransactionTypeCode);
remoteMethod.Parameters.Add("quantity", quantity);
remoteMethod.Parameters.Add("price", averagePrice);
remoteMethod.Parameters.Add("commission", commission);
remoteMethod.Parameters.Add("accruedInterest", accruedInterest);
remoteMethod.Parameters.Add("userFee0", userFee0);
remoteMethod.Parameters.Add("userFee1", userFee1);
remoteMethod.Parameters.Add("userFee2", userFee2);
remoteMethod.Parameters.Add("userFee3", userFee3);
remoteMethod.Parameters.Add("tradeDate", tradeDate);
remoteMethod.Parameters.Add("settlementDate", settlementDate);
remoteMethod.Parameters.Add("createdTime", DateTime.Now);
remoteMethod.Parameters.Add("createdLoginId", ClientPreferences.LoginId);
remoteMethod.Parameters.Add("modifiedTime", DateTime.Now);
remoteMethod.Parameters.Add("modifiedLoginId", ClientPreferences.LoginId);
}
}
}
catch (Exception exception)
{
// This signals that the batch isn't valid and shouldn't be sent.
remoteBatch = null;
// This will catch all remaining exceptions.
Debug.WriteLine(exception.Message);
}
finally
{
// Release the locks obtained to produce the blotter report.
if (ClientMarketData.AllocationLock.IsReaderLockHeld)
{
ClientMarketData.AllocationLock.ReleaseReaderLock();
}
if (ClientMarketData.BlockOrderLock.IsReaderLockHeld)
{
ClientMarketData.BlockOrderLock.ReleaseReaderLock();
}
if (ClientMarketData.ExecutionLock.IsReaderLockHeld)
{
ClientMarketData.ExecutionLock.ReleaseReaderLock();
}
if (ClientMarketData.OrderLock.IsReaderLockHeld)
{
ClientMarketData.OrderLock.ReleaseReaderLock();
}
Debug.Assert(!ClientMarketData.AreLocksHeld);
}
// Once the locks are release, the batch can be sent to the server.
if (remoteBatch != null)
{
ClientMarketData.Send(remoteBatch);
}
}
